The principle used in a musket was just like the principle behind cannon which is why muskets were also called mini canons. As it was difficult for a soldier to measure the amount of powder to be poured down the barrel, it was supplied in a pre-measured pouch that had to be torn apart by the soldier before every shot.
The approx distance between Heathrow and Gatwick Airport in a straight line is 29 miles or 46.66 KMS See the maps and links below for additional information related to driving distances, fuel costs and estimated journey times for this trip from Heathrow to Gatwick Airport.Happy trails!!Advertisements:f you were travelling in a mid range car that averaged 40 MPG and were paying Â£6.36 per gallon (1.40 per litre) for your petrol then the cost for this trip based on an estimated driving distance of 35.38 miles (56.93 kms) , from Heathrow to Gatwick Airport for your fuel would be in the region of Â£5.63.
Heathrow to Gatwick by Bus. The bus is the most direct way of connecting between the two airports. Thereâs the National Express Bus which is the only direct connection, it leaves up to 6 times an hour and takes about 1 hour and 15 minutes to make the journey â it can take longer at busy times.atch the Picadilly line tube from Heathrow to South Kensington Station, change to the district or circle lines towards Victoria Station. From here change to the Gatwick Express Train from the main train station.